Which of the following actions is taken during MOPP level 2 Afloat?

During MOPP level 2 Afloat, staging decontamination supplies is crucial as it prepares the ship's crew to efficiently respond to a chemical, biological, radiological, or nuclear (CBRN) threat. At this level, the crew takes proactive measures to ensure that decontamination resources are readily accessible should an incident occur, facilitating a quicker reaction time. Staging these supplies means having them organized and positioned in a way that allows for immediate access, which is important for maintaining operational readiness while operating in a potentially hazardous environment.

The other actions mentioned do not align with what is specifically required in MOPP level 2 Afloat. For instance, issuing individual protective equipment (IPE) occurs at a different level of readiness. Securing decon supplies is typically done at a lower MOPP level since it reflects a reduced immediate threat assessment, while donning the Joint Service Lightweight Integrated Suit Technology (JSLIST) may not be necessary until MOPP level 3, when the threat level has increased significantly. Thus, staging decon supplies is the correct focus of action during MOPP level 2 Afloat.